515023421310134 has 48 divisors (see below), whose sum is σ = 886868751172320. Its totient is φ = 223721309433600.

The previous prime is 515023421310121. The next prime is 515023421310241. The reversal of 515023421310134 is 431013124320515.

It is a super-2 number, since 2×515023421310134² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 515023421310094 and 515023421310103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35545187 + ... + 47890574.

It is an arithmetic number, because the mean of its divisors is an integer number (18476432316090).

Almost surely, 2^{515023421310134} is an apocalyptic number.

515023421310134 is a deficient number, since it is larger than the sum of its proper divisors (371845329862186).

515023421310134 is a wasteful number, since it uses less digits than its factorization.

515023421310134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83436917 (or 83436906 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 515023421310134 its reverse (431013124320515), we get a palindrome (946036545630649).

The spelling of 515023421310134 in words is "five hundred fifteen trillion, twenty-three billion, four hundred twenty-one million, three hundred ten thousand, one hundred thirty-four".